<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <iframe src="top.html" frameborder="0" width="100%" height="200px" name="hello"></iframe>
    <div>
        <a href="test01_基本用法.html" target="hello">打开test01页面</a>  <br>
        <a href="test02_常用标签.html" target="hello">打开test02页面</a>  <br>
        <a href="test03_常用标签.html" target="hello">打开test03页面</a>  <br>
    </div>
    <div>
        底部
    </div>
</body>
</html>